/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import React, { FunctionComponent } from 'react';
import { SelectableValue } from '@grafana/data';
import { Segment } from '@grafana/ui';

export interface Props {
  aggregateFun: string;
  onChange: (path: string) => void;
  variableOptionGroup: Array<SelectableValue<string>>;
}

export const AggregateFun: FunctionComponent<Props> = ({ aggregateFun, onChange, variableOptionGroup }) => {
  return (
    <Segment
      allowCustomValue={false}
      options={[...variableOptionGroup]}
      value={aggregateFun}
      onChange={(item: SelectableValue<string>) => {
        let itemString = '';
        if (item.value) {
          itemString = item.value;
        }
        onChange(itemString);
      }}
      className="width-6"
    />
  );
};
